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/* ... */
/* ... */
#include "stm32412g_discovery.h"
#include "stm32412g_discovery_ts.h"
/* ... */
/* ... */
/* ... */
/* ... */
static TS_DrvTypeDef *tsDriver;
static uint8_t I2C_Address = 0;
static uint8_t tsOrientation = TS_SWAP_NONE;
char * ts_event_string_tab[TOUCH_EVENT_NB_MAX] = { "None",
"Press down",
"Lift up",
"Contact"
...};
char * ts_gesture_id_string_tab[GEST_ID_NB_MAX] = { "None",
"Move Up",
"Move Right",
"Move Down",
"Move Left",
"Zoom In",
"Zoom Out"
...};
/* ... */
/* ... */
/* ... */
uint8_t BSP_TS_Init(uint16_t ts_SizeX, uint16_t ts_SizeY)
{
return (BSP_TS_InitEx(ts_SizeX, ts_SizeY, TS_ORIENTATION_LANDSCAPE));
}{ ... }
/* ... */
uint8_t BSP_TS_InitEx(uint16_t ts_SizeX, uint16_t ts_SizeY, uint8_t orientation)
{
uint8_t ts_status = TS_OK;
ft6x06_ts_drv.Init(I2C_Address);
BSP_TS_Reset();
if(ft6x06_ts_drv.ReadID(TS_I2C_ADDRESS) == FT6x36_ID_VALUE)
{
tsDriver = &ft6x06_ts_drv;
I2C_Address = TS_I2C_ADDRESS;
if(orientation == TS_ORIENTATION_PORTRAIT)
{
tsOrientation = TS_SWAP_X | TS_SWAP_Y;
}if (orientation == TS_ORIENTATION_PORTRAIT) { ... }
else if(orientation == TS_ORIENTATION_LANDSCAPE_ROT180)
{
tsOrientation = TS_SWAP_XY;
}else if (orientation == TS_ORIENTATION_LANDSCAPE_ROT180) { ... }
else
{
tsOrientation = TS_SWAP_XY | TS_SWAP_Y;
}else { ... }
if(ts_status == TS_OK)
{
tsDriver->Reset(I2C_Address);
tsDriver->Start(I2C_Address);
}if (ts_status == TS_OK) { ... }
}if (ft6x06_ts_drv.ReadID(TS_I2C_ADDRESS) == FT6x36_ID_VALUE) { ... }
else
{
#if defined (USE_STM32412G_DISCOVERY_REVD)
ft3x67_ts_drv.Init(I2C_Address);
BSP_TS_Reset();
if(ft3x67_ts_drv.ReadID(TS_I2C_ADDRESS) == FT3X67_ID_VALUE)
{
tsDriver = &ft3x67_ts_drv;
I2C_Address = TS_I2C_ADDRESS;
if(orientation == TS_ORIENTATION_PORTRAIT)
{
tsOrientation = TS_SWAP_X | TS_SWAP_Y;
}if (orientation == TS_ORIENTATION_PORTRAIT) { ... }
else if(orientation == TS_ORIENTATION_LANDSCAPE_ROT180)
{
tsOrientation = TS_SWAP_XY;
}else if (orientation == TS_ORIENTATION_LANDSCAPE_ROT180) { ... }
else
{
tsOrientation = TS_SWAP_XY | TS_SWAP_Y;
}else { ... }
if(ts_status == TS_OK)
{
tsDriver->Reset(I2C_Address);
tsDriver->Start(I2C_Address);
}if (ts_status == TS_OK) { ... }
}if (ft3x67_ts_drv.ReadID(TS_I2C_ADDRESS) == FT3X67_ID_VALUE) { ... }
/* ... */#else
ts_status = TS_DEVICE_NOT_FOUND;
#endif
}else { ... }
return (ts_status);
}{ ... }
/* ... */
uint8_t BSP_TS_ITConfig(void)
{
uint8_t ts_status = TS_OK;
BSP_TS_INT_MspInit();
HAL_NVIC_SetPriority((IRQn_Type)(TS_INT_EXTI_IRQn), 0x0F, 0x00);
HAL_NVIC_EnableIRQ((IRQn_Type)(TS_INT_EXTI_IRQn));
tsDriver->EnableIT(I2C_Address);
return (ts_status);
}{ ... }
/* ... */
uint8_t BSP_TS_GetState(TS_StateTypeDef *TS_State)
{
static uint32_t _x[TS_MAX_NB_TOUCH] = {0, 0};
static uint32_t _y[TS_MAX_NB_TOUCH] = {0, 0};
uint8_t ts_status = TS_OK;
uint16_t tmp;
uint16_t Raw_x[TS_MAX_NB_TOUCH];
uint16_t Raw_y[TS_MAX_NB_TOUCH];
uint16_t xDiff;
uint16_t yDiff;
uint32_t index;
#if (TS_MULTI_TOUCH_SUPPORTED == 1)
uint32_t weight = 0;
uint32_t area = 0;
uint32_t event = 0;/* ... */
#endif
TS_State->touchDetected = tsDriver->DetectTouch(I2C_Address);
if(TS_State->touchDetected)
{
for(index=0; index < TS_State->touchDetected; index++)
{
tsDriver->GetXY(I2C_Address, &(Raw_x[index]), &(Raw_y[index]));
if(tsOrientation & TS_SWAP_XY)
{
tmp = Raw_x[index];
Raw_x[index] = Raw_y[index];
Raw_y[index] = tmp;
}if (tsOrientation & TS_SWAP_XY) { ... }
if(tsOrientation & TS_SWAP_X)
{
Raw_x[index] = FT_6206_MAX_WIDTH_HEIGHT - 1 - Raw_x[index];
}if (tsOrientation & TS_SWAP_X) { ... }
if(tsOrientation & TS_SWAP_Y)
{
Raw_y[index] = FT_6206_MAX_WIDTH_HEIGHT - 1 - Raw_y[index];
}if (tsOrientation & TS_SWAP_Y) { ... }
xDiff = Raw_x[index] > _x[index]? (Raw_x[index] - _x[index]): (_x[index] - Raw_x[index]);
yDiff = Raw_y[index] > _y[index]? (Raw_y[index] - _y[index]): (_y[index] - Raw_y[index]);
if ((xDiff + yDiff) > 5)
{
_x[index] = Raw_x[index];
_y[index] = Raw_y[index];
}if ((xDiff + yDiff) > 5) { ... }
TS_State->touchX[index] = _x[index];
TS_State->touchY[index] = _y[index];
#if (TS_MULTI_TOUCH_SUPPORTED == 1)
ft6x06_TS_GetTouchInfo(I2C_Address, index, &weight, &area, &event);
TS_State->touchWeight[index] = weight;
TS_State->touchArea[index] = area;
switch(event)
{
case FT6206_TOUCH_EVT_FLAG_PRESS_DOWN :
TS_State->touchEventId[index] = TOUCH_EVENT_PRESS_DOWN;
break;case FT6206_TOUCH_EVT_FLAG_PRESS_DOWN :
case FT6206_TOUCH_EVT_FLAG_LIFT_UP :
TS_State->touchEventId[index] = TOUCH_EVENT_LIFT_UP;
break;case FT6206_TOUCH_EVT_FLAG_LIFT_UP :
case FT6206_TOUCH_EVT_FLAG_CONTACT :
TS_State->touchEventId[index] = TOUCH_EVENT_CONTACT;
break;case FT6206_TOUCH_EVT_FLAG_CONTACT :
case FT6206_TOUCH_EVT_FLAG_NO_EVENT :
TS_State->touchEventId[index] = TOUCH_EVENT_NO_EVT;
break;case FT6206_TOUCH_EVT_FLAG_NO_EVENT :
default :
ts_status = TS_ERROR;
break;default
}switch (event) { ... }
/* ... */
#endif
}for (index=0; index < TS_State->touchDetected; index++) { ... }
#if (TS_MULTI_TOUCH_SUPPORTED == 1)
ts_status = BSP_TS_Get_GestureId(TS_State);/* ... */
#endif
}if (TS_State->touchDetected) { ... }
return (ts_status);
}{ ... }
#if (TS_MULTI_TOUCH_SUPPORTED == 1)
/* ... */
uint8_t BSP_TS_Get_GestureId(TS_StateTypeDef *TS_State)
{
uint32_t gestureId = 0;
uint8_t ts_status = TS_OK;
ft6x06_TS_GetGestureID(I2C_Address, &gestureId);
switch(gestureId)
{
case FT6206_GEST_ID_NO_GESTURE :
TS_State->gestureId = GEST_ID_NO_GESTURE;
break;case FT6206_GEST_ID_NO_GESTURE :
case FT6206_GEST_ID_MOVE_UP :
TS_State->gestureId = GEST_ID_MOVE_UP;
break;case FT6206_GEST_ID_MOVE_UP :
case FT6206_GEST_ID_MOVE_RIGHT :
TS_State->gestureId = GEST_ID_MOVE_RIGHT;
break;case FT6206_GEST_ID_MOVE_RIGHT :
case FT6206_GEST_ID_MOVE_DOWN :
TS_State->gestureId = GEST_ID_MOVE_DOWN;
break;case FT6206_GEST_ID_MOVE_DOWN :
case FT6206_GEST_ID_MOVE_LEFT :
TS_State->gestureId = GEST_ID_MOVE_LEFT;
break;case FT6206_GEST_ID_MOVE_LEFT :
case FT6206_GEST_ID_ZOOM_IN :
TS_State->gestureId = GEST_ID_ZOOM_IN;
break;case FT6206_GEST_ID_ZOOM_IN :
case FT6206_GEST_ID_ZOOM_OUT :
TS_State->gestureId = GEST_ID_ZOOM_OUT;
break;case FT6206_GEST_ID_ZOOM_OUT :
default :
ts_status = TS_ERROR;
break;default
}switch (gestureId) { ... }
return(ts_status);
}BSP_TS_Get_GestureId (TS_StateTypeDef *TS_State) { ... }
/* ... */#endif
#if (TS_MULTI_TOUCH_SUPPORTED == 1)
/* ... */
uint8_t BSP_TS_ResetTouchData(TS_StateTypeDef *TS_State)
{
uint8_t ts_status = TS_ERROR;
uint32_t index;
if (TS_State != (TS_StateTypeDef *)NULL)
{
TS_State->gestureId = GEST_ID_NO_GESTURE;
TS_State->touchDetected = 0;
for(index = 0; index < TS_MAX_NB_TOUCH; index++)
{
TS_State->touchX[index] = 0;
TS_State->touchY[index] = 0;
TS_State->touchArea[index] = 0;
TS_State->touchEventId[index] = TOUCH_EVENT_NO_EVT;
TS_State->touchWeight[index] = 0;
}for (index = 0; index < TS_MAX_NB_TOUCH; index++) { ... }
ts_status = TS_OK;
}if (TS_State != (TS_StateTypeDef *)NULL) { ... }
return (ts_status);
}BSP_TS_ResetTouchData (TS_StateTypeDef *TS_State) { ... }
/* ... */#endif
/* ... */
void BSP_TS_Reset(void)
{
HAL_GPIO_WritePin(TS_RST_GPIO_PORT, TS_RST_PIN, GPIO_PIN_RESET);
HAL_Delay(10);
HAL_GPIO_WritePin(TS_RST_GPIO_PORT, TS_RST_PIN, GPIO_PIN_SET);
while (HAL_GPIO_ReadPin(TS_RST_GPIO_PORT , TS_RST_PIN)!= GPIO_PIN_RESET);
while (HAL_GPIO_ReadPin(TS_INT_GPIO_PORT , TS_INT_PIN)!= GPIO_PIN_SET);
}{ ... }
/* ... */
__weak void BSP_TS_INT_MspInit(void)
{
GPIO_InitTypeDef gpio_init_structure;
TS_INT_GPIO_CLK_ENABLE();
gpio_init_structure.Pin = TS_INT_PIN;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_FAST;
gpio_init_structure.Mode = GPIO_MODE_IT_FALLING;
HAL_GPIO_Init(TS_INT_GPIO_PORT, &gpio_init_structure);
TS_RST_GPIO_CLK_ENABLE();
gpio_init_structure.Pin = TS_RST_PIN;
gpio_init_structure.Pull = GPIO_PULLUP;
gpio_init_structure.Speed = GPIO_SPEED_HIGH;
gpio_init_structure.Mode = GPIO_MODE_INPUT;
HAL_GPIO_Init(TS_RST_GPIO_PORT, &gpio_init_structure);
}{ ... }
/* ... */
/* ... */
/* ... */
/* ... */